Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 752.8	$ 1,269.2
Trade receivables, net of allowances of $38.5 in 2021 and $40.2 in 2020	1,046.4	987.1
Contract assets, net of allowances of $1.1 in 2021 and $2.4 in 2020	1,008.7	934.1
Inventories, net (Note 8)	1,164.8	1,252.8
Derivative financial instruments (Note 19)	203.5	268.7
Income taxes receivable	131.6	276.8
Advances paid to suppliers	80.6	96.3
Other current assets (Note 9)	625.8	662.9
Investment in Technip Energies	1,249.0	0.0
Current assets of discontinued operations	0.0	5,696.8
Total current assets	6,263.2	11,444.7
Investments in equity affiliates	316.9	305.5
Property, plant and equipment, net of accumulated depreciation of $2,400.6 in 2021 and $2,154.2 in 2020	2,690.8	2,744.7
Operating lease right-of-use assets	750.5	784.9
Finance lease right-of-use assets	51.5	27.5
Intangible assets, net of accumulated amortization of $422.8 in 2021 and $493.1 in 2020	832.7	851.3
Deferred income taxes	57.3	49.4
Derivative financial instruments (Note 19)	35.3	29.2
Other assets	167.3	161.8
Non-current assets of discontinued operations	0.0	3,293.6
Total assets	11,165.5	19,692.6
Liabilities and equity
Short-term debt and current portion of long-term debt (Note 13)	96.8	624.7
Operating lease liabilities	161.6	195.5
Finance lease liabilities	51.1	26.9
Accounts payable, trade	1,247.9	1,195.2
Contract liabilities	892.5	1,045.7
Accrued payroll	178.4	186.8
Derivative financial instruments (Note 19)	172.5	157.5
Income taxes payable	84.9	61.5
Other current liabilities (Note 9)	985.6	800.1
Current liabilities of discontinued operations	0.0	6,121.3
Total current liabilities	3,871.3	10,415.2
Long-term debt, less current portion (Note 13)	2,434.3	2,835.5
Operating lease liabilities, less current portion	656.4	632.8
Deferred income taxes	60.7	79.3
Accrued pension and other post-retirement benefits, less current portion	248.9	268.4
Derivative financial instruments (Note 19)	34.2	18.8
Other liabilities	119.6	103.3
Non-current liabilities of discontinued operations	0.0	1,081.3
Total liabilities	7,425.4	15,434.6
Commitments and contingent liabilities (Note 17)
Mezzanine equity
Redeemable non-controlling interest	44.6	43.7
Stockholders’ equity (Note 14)
Ordinary shares, $1.00 par value; 618.3 shares authorized in 2021 and 2020; 449.8 shares and 449.5 shares issued and outstanding in 2021 and 2020, respectively	449.8	449.5
Capital in excess of par value of ordinary shares	9,152.1	10,242.4
Accumulated deficit	(4,547.0)	(4,915.2)
Accumulated other comprehensive loss	(1,400.8)	(1,622.5)
Total TechnipFMC plc stockholders’ equity	3,654.1	4,154.2
Non-controlling interests	41.4	40.4
Non-controlling interests of discontinued operations	0.0	19.7
Total equity	3,695.5	4,214.3
Total liabilities and equity	$ 11,165.5	$ 19,692.6